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97 lines
2.2 KiB
C++
97 lines
2.2 KiB
C++
/*
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* UnifiedResourceProvider.h - header file for UnifiedResourceProvider
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*
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* Copyright (c) 2009-2010 Tobias Doerffel <tobydox/at/users.sourceforge.net>
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*
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* This file is part of Linux MultiMedia Studio - http://lmms.sourceforge.net
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program (see COPYING); if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA.
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*
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*/
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#ifndef _UNIFIED_RESOURCE_PROVIDER_H
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#define _UNIFIED_RESOURCE_PROVIDER_H
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#include "ResourceProvider.h"
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#include "ResourceItem.h"
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/*! \brief The UnifiedResourceProvider class merges a given set of ResourceDB's
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* into one ResourceDB.
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*
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* This provider usually is used as the top level provider whose database
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* contains all available resources (various local directories and various
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* online catalogues).
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*/
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class UnifiedResourceProvider : public ResourceProvider
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{
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Q_OBJECT
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public:
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UnifiedResourceProvider();
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virtual ~UnifiedResourceProvider();
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void addDatabase( ResourceDB * _db );
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virtual QString providerName() const
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{
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return "UnifiedResourceProvider";
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}
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virtual void updateDatabase();
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virtual int dataSize( const ResourceItem * _item ) const
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{
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if( _item->provider() != this )
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{
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return _item->provider()->dataSize( _item );
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}
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return 0;
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}
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virtual QByteArray fetchData( const ResourceItem * _item,
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int _maxSize = -1 ) const
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{
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if( _item->provider() != this )
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{
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return _item->provider()->fetchData( _item );
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}
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return QByteArray();
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}
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virtual bool isLocal() const
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{
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return false;
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}
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virtual bool cacheDatabase() const
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{
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return false;
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}
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private slots:
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void remergeItems();
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private:
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QList<ResourceDB *> m_mergedDatabases;
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} ;
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#endif
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